﻿var dataStore = {

    getData: function (key) {

        return window.localStorage.getItem(key);
    },
    setData: function (key, data) {
        window.localStorage.setItem(key, data);
    },
    clearData: function (key) {
        window.localStorage.removeItem(key);
    },
    setCookie://写cookies
    function (c_name, value, expiredays) {
        var exdate = new Date();
        exdate.setTime(exdate.getTime() + expiredays * 24 * 60 * 60 * 1000);
        document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
    },

    getCookie: function (name) {
        var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
        if (arr = document.cookie.match(reg))
            return (arr[2]);
        else
            return null;
    },
    //删除cookies
    removeCookie: function delCookie(name) {
        var exp = new Date();
        exp.setTime(exp.getTime() - 1);
        var cval = getCookie(name);
        if (cval != null)
            document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
    }
}